Version bumps and changelog

CHANGES

+Changes in version 2.17.0
+
+ * Included with GHC 8.0.1
+
+ * Support typesetting of mathematical expressions via Mathjax (#397)
+
+ * Describe orphan instances defined in a module in its documentation (#449)
+
+ * Produce specialized type signatures for typeclass methods (#425)
+
+ * Support GCC-like response files (#470)
+
 Changes in version 2.16.2
 
  * Generate hyperlinked source ourselves (#410, part of GSOC 2015)

haddock-api/haddock-api.cabal

 name:                 haddock-api
-version:              2.16.2
+version:              2.17.0
 synopsis:             A documentation-generation tool for Haskell libraries
 description:          Haddock is a documentation-generation tool for Haskell
                       libraries

haddock-api/src/Haddock/InterfaceFile.hs

@@ -82,7 +82,7 @@ binaryInterfaceMagic = 0xD0Cface
 --
 binaryInterfaceVersion :: Word16
 #if (__GLASGOW_HASKELL__ >= 711) && (__GLASGOW_HASKELL__ < 801)
-binaryInterfaceVersion = 27
+binaryInterfaceVersion = 28
 
 binaryInterfaceVersionCompatibility :: [Word16]
 binaryInterfaceVersionCompatibility = [binaryInterfaceVersion]

haddock-library/haddock-library.cabal

 name:                 haddock-library
-version:              1.2.1
+version:              1.4.0
 synopsis:             Library exposing some functionality of Haddock.
 description:          Haddock is a documentation-generation tool for Haskell
                       libraries. These modules expose some functionality of it

haddock.cabal

 name:                 haddock
-version:              2.16.2
+version:              2.17.0
 synopsis:             A documentation-generation tool for Haskell libraries
 description:          Haddock is a documentation-generation tool for Haskell
                       libraries